%&stemmacodicum
% !TEX encoding = UTF-8
% !TeX program = pdflatex (build)
% !TeX spellcheck = fr_FR
\documentclass[11pt]{article}
\usepackage[utf8]{inputenc}
%\usepackage[all]{utf8ext}
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage{etoolbox}
\usepackage{mathtools,amssymb,bm}
\usepackage{xcolor}
\usepackage{graphicx}
\usepackage{tikz}
\usetikzlibrary{decorations.pathreplacing,calc,arrows.meta}
\tikzset{>=stealth}
\tikzset{handle active characters in code=true}%
\usepackage{forest}
\csname endofdump\endcsname
\usepackage[active,pdftex,tightpage]{preview}
\PreviewEnvironment[]{tikzpicture}
\PreviewEnvironment[]{pgfpicture}
\PreviewEnvironment[]{forest}
\DeclareUnicodeCharacter{00B2}{\textsuperscript{2}}
\begin{document}
\sffamily 

\forestset{sn edges/.style={for tree={parent anchor=south, child anchor=north}}}
\tikzset{boxed/.style={rectangle,  inner sep=3pt,  minimum width=3em},
annot/.style={font=\tiny\itshape},
adate/.style={font=\tiny\itshape,align=left,blue,anchor=west}}
\begin{forest}
 [$\bm{\Omega}$,  sn edges,  grow=south,  l sep=0.5cm, s sep=1cm
    [(b),tier=second, l sep=0.7cm, name=B1
			[B, tier=AB, name=B
				[(B²),boxed, tier=ABii,name=B2]
      ]
		]
    [(y), s sep=1cm, 
    	[A, tier=AB,name=A,boxed
				[(A²),boxed, tier=ABii, name=A2]
	 		]
    	[(z),tier=second, name=Z
				[(w),tier=ABii,boxed,name=W [(H), name=H [ ,phantom, tier=last]]]
				[(S), name=S,tier=last]
				[, phantom]
				[(V²), edge= dashed, name=V2, below ]
				[V, above=12pt, right, name=V]
	  	]
   ]
]
% connect A/B
\draw[dashed,shorten <=-1ex,shorten >=-1ex] (A) --(B2);
\draw[dashed,shorten <=-1ex,shorten >=-1ex] (A2) -- (B);
% postion and connect F
\node[yshift=-0.5cm,below] (F) at ($(A2)!0.5!(B2)$) {F};
\draw (A2.south)--(F.east);
\draw (B2.south)--(F.west) node [midway](B2F){};
% annotate
\draw[->] (B.west)--++(-0.5,0) node[left,annot]{nat. deor.};
\draw[->] (B2F)--++(0,-0.5) node[below,annot]{nat. deor.,\\div. };
\draw [thick,decorate,decoration=brace] (B2.north west)++(0,-1.4)--(B2.north west) node[midway,left=5pt,annot]{Hadoard};
\draw[->] (Z.east)--++(0.5,0) node[right,annot]{Luc. leg. (?)};
\draw[->] (W.west)--++(-0.5,0) node[left,annot]{leg.};
\draw[->] (H.west)--++(-0.5,0) node[left,annot,align=left,minimum width=3em]{nat. deor.,\\ div., leg.};
\draw[->] (S.east)--++(0.5,0) node[right,annot]{Luc.};
\node[right,annot] (AA2) at ($(V2.east)+(-0.2,0)$) {+ (Luc.\textsf{V\textsuperscript{m})}};
\draw[dashed] (AA2.north)--++(45:0.5) node[annot,above right=-0.2ex]{?};
% time axis
\node (O) at (-5,-6) {};
\node[adate] (A850) at (O|-A) {a. 850};
\node (bB) at ($(B)!0.5!(B1)$) {};
\node[adate] (A840) at (O|-bB) {a. 840/862-3};
\node[adate] (A1040) at (O|-H) {a. 1080};
\node[adate] (XIV) at (O|-S) {XIV\textsuperscript{è}\;s.};
\node (O2) at (6,-6) {};
\draw[thick,decorate,decoration=brace] (O2|-V.north)--(O2|-V2.south) node[midway,annot,rotate=90, yshift=-1em]{Loup de
Ferières};
\end{forest}


\end{document}
